“Overview for Leica 913015 Lino L6R/L6G Eccentric Base Adapter The Leica Lino L6R/L6G Eccentric Base Adapter aids in the unparalleled precision of the Lino series of lasers. The eccentric base allows you to rotate laser lines around the plumb in small ±10° increments. This capability makes for quick and precise aligning, leveling, plumbing, and squaring with you Leica Lino L6R or L6G laser.” has been added to your cart.